1. Åberg, N. (1929). s.v. Typologie. In M. Ebert (Hrsg.), Reallexikon der Vorgeschichte, 13 (S. 508–516). De Gruyter.
2. Aner, E. (1962). Die frühen Tüllenbeile des Nordischen Kreises. Acta Archaeologica, 23, 165–219.
3. Basalla, G. (1988). The evolution of technology. Cambridge University Press.
4. Blackmore, S. (2001). Evolution and memes: The human brain as a selective imitation device. Cybernetics and Systems, 32, 225–255. https://doi.org/10.1080/019697201300001867
5. Campbell, D.T. (1965). Variation and selective retention in socio-cultural evolution. In H. Barringer, G.I. Blanksten, R.W. Mack (Eds.), Social change in developing areas (S. 19–49). Schenkman.